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Finding the Fourth Proportional to 111,575.97, 167,363.95 and 28,469.97

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Solution

The fourth proportional to 111,575.97, 167,363.95 and 28,469.97 is: 42,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,575.97 : 167,363.95 = 28,469.97 : x
  2. Step 2: Convert to fraction form
    111,575.97/167,363.95 = 28,469.97/x
  3. Step 3: Cross multiply
    111,575.97x = 167,363.95 × 28,469.97
  4. Step 4: Simplify right side
    111,575.97x = 4,764,846,635.58
  5. Step 5: Solve for x
    x = 4,764,846,635.58/111,575.97
  6. Step 6: Final answer
    x = 42,704.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.